@DevenPhillips: I'm a fellow bug sufferer, rather than Ubuntu
maintainer, but if you're experiencing the same bug as myself then I've
found I reliable workaround.

Setting the `i8042.kbdreset=1` parameter to the kernel on boot seems to
result in consistent detection of the touchpad. The easiest way to do
that for me was to edit the /etc/default/grub file with the following
line:

GRUB_CMDLINE_LINUX_DEFAULT="i8042.kbdreset=1"

and then running `sudo update-grub`. For me, this workaround was free of
side-effects.

In my situation the touchpad would either be detected (and work fine),
or not be detected *at all*. I don't recall it being detected as the
wrong device. As such, I've no idea if my workaround would be effective
in your situation.

Good luck!

~ Paul

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https://bugs.launchpad.net/bugs/1594214

Title:
  ETPS/2 Elantech Touchpad inconsistently detected (Gigabyte P57W
  laptop)

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